/// <summary>
/// Translate a World-Location to a Vertex position, without taking height into account.
/// This means that we take the (cornerIndexX,0,cornerIndexZ) vector between the location and some (center of) a reference tile.
/// </summary>
/// <param name="location">Source World location</param>
public Vector3 VertexPosition(WorldLocation location)
{
WorldLocation normalizedLocation = new WorldLocation(location);
normalizedLocation.NormalizeTo(referenceTileX, referenceTileZ);
return(new Vector3(normalizedLocation.Location.X, 0, normalizedLocation.Location.Z));
}
public string GetStatusInformation(WorldLocation location)
{
// first make sure we normalize to the snapped tile
WorldLocation snappedLocation = new WorldLocation(location);
snappedLocation.NormalizeTo(this.snappedTileX, this.snappedTileZ);
float totalSize = 2048 * this.TileSize;
int patchIndexX = (int)((snappedLocation.Location.X + 1024) / totalSize * this.textureNames.GetLength(0));
int patchIndexZ = (int)((snappedLocation.Location.Z + 1024) / totalSize * this.textureNames.GetLength(1));
patchIndexZ = this.textureNames.GetLength(1) - patchIndexZ - 1;
return(String.Format(System.Globalization.CultureInfo.CurrentCulture,
"({1}, {2}) for {3}x{3} tile: {0}", textureNames[patchIndexX, patchIndexZ], patchIndexX, patchIndexZ, this.TileSize));
}
/// <summary>
/// Do the dragging itself, meaning moving the label to a different position and show that
/// </summary>
internal void OnLeftMouseMoved()
{
if (!dragging)
{
return;
}
//We have three locations. Where the original/reference label. Where the dragging starts, and where the mouse now is
//The new location is then 'original' + 'current' - 'start'.
draggingStartLocation = draggingStartLocation.NormalizeTo(drawArea.MouseLocation.TileX, drawArea.MouseLocation.TileZ);
WorldLocation shiftedLocation = new WorldLocation(
draggingLabelToReplace.WorldLocation.TileX + drawArea.MouseLocation.TileX - draggingStartLocation.TileX,
draggingLabelToReplace.WorldLocation.TileZ + drawArea.MouseLocation.TileZ - draggingStartLocation.TileZ,
draggingLabelToReplace.WorldLocation.Location.X + drawArea.MouseLocation.Location.X - draggingStartLocation.Location.X,
0,
draggingLabelToReplace.WorldLocation.Location.Z + drawArea.MouseLocation.Location.Z - draggingStartLocation.Location.Z,
true);
draggingLabel = new StorableLabel(shiftedLocation, draggingLabelToReplace.LabelText);
}
public void UpdateSoundPosition()
{
if (Car.SoundSourceIDs.Count == 0 || Viewer.Camera == null)
{
return;
}
if (Car.Train != null)
{
var realSpeedMpS = Car.SpeedMpS;
//TODO Following if block is needed due to physics flipping when using rear cab
// If such physics flipping is removed next block has to be removed.
if (Car is MSTSLocomotive)
{
var loco = Car as MSTSLocomotive;
if (loco.UsingRearCab)
{
realSpeedMpS = -realSpeedMpS;
}
}
Vector3 directionVector = Vector3.Multiply(Car.WorldPosition.XNAMatrix.Forward, realSpeedMpS);
Velocity = new float[] { directionVector.X, directionVector.Y, -directionVector.Z };
}
else
{
Velocity = new float[] { 0, 0, 0 }
};
// TODO This entire block of code (down to TODO END) should be inside the SoundProcess, not here.
SoundLocation = new WorldLocation(Car.WorldPosition.WorldLocation);
SoundLocation.NormalizeTo(Camera.SoundBaseTile.X, Camera.SoundBaseTile.Y);
float[] position = new float[] {
SoundLocation.Location.X,
SoundLocation.Location.Y,
SoundLocation.Location.Z
};
// make a copy of SoundSourceIDs, but check that it didn't change during the copy; if it changed, try again up to 5 times.
var sSIDsFinalCount = -1;
var sSIDsInitCount = -2;
int[] soundSourceIDs = { 0 };
int trialCount = 0;
try
{
while (sSIDsInitCount != sSIDsFinalCount && trialCount < 5)
{
sSIDsInitCount = Car.SoundSourceIDs.Count;
soundSourceIDs = Car.SoundSourceIDs.ToArray();
sSIDsFinalCount = Car.SoundSourceIDs.Count;
trialCount++;
}
}
catch
{
Trace.TraceInformation("Skipped update of position and speed of sound sources");
return;
}
if (trialCount >= 5)
{
return;
}
foreach (var soundSourceID in soundSourceIDs)
{
Viewer.Simulator.updaterWorking = true;
if (OpenAL.alIsSource(soundSourceID))
{
OpenAL.alSourcefv(soundSourceID, OpenAL.AL_POSITION, position);
OpenAL.alSourcefv(soundSourceID, OpenAL.AL_VELOCITY, Velocity);
}
Viewer.Simulator.updaterWorking = false;
}
// TODO END
}
}
